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Bug 1782435

Summary:	[RHEL8.1.1]: virt-what segfault
Product:	Red Hat Enterprise Linux 8	Reporter:	Prarit Bhargava <prarit>
Component:	virt-what	Assignee:	Richard W.M. Jones <rjones>
Status:	CLOSED CURRENTRELEASE	QA Contact:	YongkuiGuo <yoguo>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	8.2	CC:	bcl, linl, mmalik, mpitt, sbest, xiliang, yoguo
Target Milestone:	rc
Target Release:	8.2
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-06-30 05:25:01 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Prarit Bhargava 2019-12-11 16:14:22 UTC

Description of problem: virt-what is segfaulting in the latest RHEL8.1.1 composes.


Version-Release number of selected component (if applicable): virt-what-1.18-8.el8.x86_64



How reproducible: 100% AFAICT (seen on two systems, hp-dl380pgen9-08.klab.eng.bos.redhat.com and dell-per720-06.klab.eng.bos.redhat.com)


Steps to Reproduce:
1. Install RHEL8.1.1 nightly
2.
3.

Actual results: console logs have segfaults:

ex)

[   77.934666] virt-what-cpuid[1995]: segfault at 95f849d6 ip 0000556595f84799 sp 00007ffd45064480 error 4 in virt-what-cpuid-helper[556595f84000+1000]
[   78.002740] Code: 49 39 07 0f 84 a8 00 00 00 b9 0d 00 00 00 4c 89 fe 48 89 ef f3 a6 0f 97 c0 1c 00 84 c0 74 a6 b9 0d 00 00 00 4c 89 fe 48 89 df <f3> a6 0f 97 c0 1c 00 84 c0 74 90 b9 0d 00 00 00 4c 89 fe 4c 89 ef



Expected results: No segfaults.


Additional info: Can also be generated by executing

[11:09 AM root@dell-per720-06 ~]# virt-what 
[   67.653863] virt-what-cpuid[6713]: segfault at 559f39d6 ip 00005627559f3799 ]
[   67.668725] Code: 49 39 07 0f 84 a8 00 00 00 b9 0d 00 00 00 4c 89 fe 48 89 ef

Comment 1 Richard W.M. Jones 2019-12-11 16:52:58 UTC

Yes it's broken.  I removed the erratum so the new virt-what package
should no longer be included in composes.  Maybe it'll take a little
while for the package to be unpushed.  See:
https://errata.devel.redhat.com/advisory/49449

We're probably not going to be able to fix this for a while.

Comment 2 Richard W.M. Jones 2019-12-11 16:54:08 UTC

FYI virt-what-1.18-7.el8 is good and -8 is bad.

Comment 3 Milos Malik 2019-12-12 09:56:55 UTC

# abrt-cli info /var/spool/abrt/ccpp-2019-12-12-10\:43\:01.931093-9825
reason:         main(): virt-what-cpuid-helper killed by SIGSEGV
time:           Thu 12 Dec 2019 10:43:01 AM CET
cmdline:        virt-what-cpuid-helper
package:        virt-what-1.18-7.el8
uid:            0 (root)
count:          5
Directory:      /var/spool/abrt/ccpp-2019-12-12-10:43:01.931093-9825
# cd /var/spool/abrt/ccpp-2019-12-12-10\:43\:01.931093-9825/
# cat core_backtrace 
{   "signal": 11
,   "executable": "/usr/libexec/virt-what-cpuid-helper"
,   "stacktrace":
      [ {   "crash_thread": true
        ,   "frames":
              [ {   "address": 94614171461529
                ,   "build_id": "84514b196545c07e94793f55ead32a519566a927"
                ,   "build_id_offset": 1945
                ,   "function_name": "main"
                ,   "file_name": "/usr/libexec/virt-what-cpuid-helper"
                } ]
        } ]
}
#

Comment 4 Richard W.M. Jones 2019-12-13 08:41:10 UTC

*** Bug 1783025 has been marked as a duplicate of this bug. ***

Comment 5 Richard W.M. Jones 2019-12-13 08:41:12 UTC

*** Bug 1783015 has been marked as a duplicate of this bug. ***

Comment 6 Martin Pitt 2019-12-16 20:19:40 UTC

> Maybe it'll take a little while for the package to be unpushed.

As of today (five days later) this is still in the 8.2 nightlies.

Comment 7 YongkuiGuo 2019-12-18 08:35:21 UTC

(In reply to Martin Pitt from comment #6)
> > Maybe it'll take a little while for the package to be unpushed.
> 
> As of today (five days later) this is still in the 8.2 nightlies.

The package(virt-what-1.18-8.el8.x86_64) has been dropped from RHEL-8.1.1-20191217.n.2 and RHEL-8.2.0-20191217.n.2 composes.

Comment 8 Martin Pitt 2020-06-30 05:25:01 UTC

Closing, dropping the broken update worked, we haven't seen this crash in a long time now.